If a patient gets an attack of veigo/dizziness by loud noise, he is having ?

Ans. is 'a' i.e., Tullio phenomenon Hyperacusis refers to sensation of discomfo or pain on exposure to normal sounds. It is seen in injury to nerve to stapedius and in case of congenital syphilis (Hennebe sign). Displacusis is a condition where same tone is heard as notes of different pitch in either ear. Paracusis willisii is a condition where patient hears a sound better in presence of background noise. It is seen in otosclerosis. Tullio phenomenon is a condition where the subject gets attack of veigo/dizziness by loud sounds.lt is seen in labyrinthine fistula and after fenestration surgery.